h1,h2,h3,h4,h5,h6{margin: 0;padding: 0;}
a{text-decoration: none;}
.com-header{padding:7px 0 7px 40px;background-color:#d6e6fa;height: 80px;}
.logo{float:left;width:190px;height: 66px;background: url("../images/logo.png") no-repeat;}
h2{margin:20px 0 0 240px;padding-left:20px;height:30px;line-height:28px;border-left:10px solid #2b7acd;color:#2b7acd;font-size:30px;font-family: microsoft yahei;}
.back-end{border: none;}
/*知识大纲区*/
.top-linked{margin:25px 0 0 280px;}
.top-linked a{font-size: 14px;color:#333;font-family: microsoft yahei;font-weight: 700;margin-left: 30px;}
.top-linked a:hover{color: #d60c22;}
.top-linked .log-form{margin-left:30px;padding:0 10px;display: inline-block;height:26px;line-height:26px;border-radius: 3px;  float: right;
    margin-right: 20px;}
.log-form a{color: #e66e00;margin: 0;}
.log-form a:hover{color: #ffffff;}
.log-form .login{margin-right: 20px;}